Which do you prefer to use to keep in touch with your friends,QQ__________MSN?
#56400
A
and
B
but
C
or
D
so
推荐题目
—Would you like to play tennis with me _________ it doesn’t rain tomorrow? —Sure, _________ I am busy.
#55660
A
if; since
B
whether; but
C
if; unless
D
because; until
